Gibson RB-00 1939 JA6931

VG+++, rare pre-World War II five-string, original three-ply maple rim (e.g., averages .437" thickness on bottom edge) with raised bead on top exterior edge (e.g., no internal metal hoop), clean original metal hardware, Grover "First Model" extension-type tailpiece, original Elton two-tab tuners on strings 1 through 4, original friction 5th string tuner, Catalin amber tuner buttons, small hole drilled through the center of peghead, SC